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/*
* Copyright (C) 2010 The Android Open Source Project
*
* Licensed under the Apache License, Version 2.0 (the "License");
* you may not use this file except in compliance with the License.
* You may obtain a copy of the License at
*
* http://www.apache.org/licenses/LICENSE-2.0
*
* Unless required by applicable law or agreed to in writing, software
* distributed under the License is distributed on an "AS IS" BASIS,
* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
* See the License for the specific language governing permissions and
* limitations under the License.
*/
package com.android.hierarchyviewerlib;
import com.android.ddmlib.AdbCommandRejectedException;
import com.android.ddmlib.IDevice;
import com.android.ddmlib.Log;
import com.android.ddmlib.RawImage;
import com.android.ddmlib.TimeoutException;
import com.android.ddmlib.AndroidDebugBridge.IDeviceChangeListener;
import com.android.hierarchyviewerlib.device.DeviceBridge;
import com.android.hierarchyviewerlib.device.ViewNode;
import com.android.hierarchyviewerlib.device.Window;
import com.android.hierarchyviewerlib.device.WindowUpdater;
import com.android.hierarchyviewerlib.device.DeviceBridge.ViewServerInfo;
import com.android.hierarchyviewerlib.device.WindowUpdater.IWindowChangeListener;
import java.io.IOException;
/**
* This is the class where most of the logic resides.
*/
public abstract class HierarchyViewerDirector implements IDeviceChangeListener,
IWindowChangeListener {
public static final String TAG = "hierarchyviewer";
private int pixelPerfectRefreshesInProgress = 0;
public void terminate() {
WindowUpdater.terminate();
}
public abstract String getAdbLocation();
public void initDebugBridge() {
DeviceBridge.initDebugBridge(getAdbLocation());
}
public void stopDebugBridge() {
DeviceBridge.terminate();
}
public void populateDeviceSelectionModel() {
IDevice[] devices = DeviceBridge.getDevices();
for (IDevice device : devices) {
deviceConnected(device);
}
}
public void startListenForDevices() {
DeviceBridge.startListenForDevices(this);
}
public void stopListenForDevices() {
DeviceBridge.stopListenForDevices(this);
}
public abstract void executeInBackground(Runnable task);
public void deviceConnected(final IDevice device) {
if (device.isOnline()) {
DeviceBridge.setupDeviceForward(device);
if (!DeviceBridge.isViewServerRunning(device)) {
if (!DeviceBridge.startViewServer(device)) {
DeviceBridge.removeDeviceForward(device);
Log.e(TAG, "Unable to debug device " + device);
return;
}
}
executeInBackground(new Runnable() {
public void run() {
ViewServerInfo viewServerInfo = DeviceBridge.loadViewServerInfo(device);
Window[] windows = DeviceBridge.loadWindows(device);
ComponentRegistry.getDeviceSelectionModel().addDevice(device, windows);
if (viewServerInfo.protocolVersion >= 3) {
WindowUpdater.startListenForWindowChanges(HierarchyViewerDirector.this,
device);
focusChanged(device);
}
}
});
}
}
public void deviceDisconnected(IDevice device) {
ViewServerInfo viewServerInfo = DeviceBridge.getViewServerInfo(device);
if (viewServerInfo == null) {
return;
}
if (viewServerInfo.protocolVersion >= 3) {
WindowUpdater.stopListenForWindowChanges(this, device);
}
DeviceBridge.removeDeviceForward(device);
DeviceBridge.removeViewServerInfo(device);
ComponentRegistry.getDeviceSelectionModel().removeDevice(device);
if (ComponentRegistry.getPixelPerfectModel().getDevice() == device) {
ComponentRegistry.getPixelPerfectModel().setData(null, null, null);
}
}
public void deviceChanged(IDevice device, int changeMask) {
if ((changeMask & IDevice.CHANGE_STATE) != 0 && device.isOnline()) {
deviceConnected(device);
}
}
public void windowsChanged(final IDevice device) {
executeInBackground(new Runnable() {
public void run() {
Window[] windows = DeviceBridge.loadWindows(device);
ComponentRegistry.getDeviceSelectionModel().updateDevice(device, windows);
}
});
}
public void focusChanged(final IDevice device) {
executeInBackground(new Runnable() {
public void run() {
int focusedWindow = DeviceBridge.getFocusedWindow(device);
ComponentRegistry.getDeviceSelectionModel().updateFocusedWindow(device,
focusedWindow);
}
});
// Some interesting logic here. We don't want to refresh the pixel
// perfect view 1000 times in a row if the focus keeps changing. We just
// want it to refresh following the last focus change.
boolean proceed = false;
synchronized (this) {
if (pixelPerfectRefreshesInProgress <= 1) {
proceed = true;
pixelPerfectRefreshesInProgress++;
}
}
if (proceed) {
executeInBackground(new Runnable() {
public void run() {
if (ComponentRegistry.getDeviceSelectionModel().getFocusedWindow(device) != -1
&& device == ComponentRegistry.getPixelPerfectModel().getDevice()) {
try {
ViewNode viewNode =
DeviceBridge.loadWindowData(Window.getFocusedWindow(device));
RawImage screenshot = device.getScreenshot();
ComponentRegistry.getPixelPerfectModel().setFocusData(screenshot,
viewNode);
} catch (IOException e) {
Log.e(TAG, "Unable to load screenshot from device " + device);
} catch (TimeoutException e) {
Log.e(TAG, "Timeout loading screenshot from device " + device);
} catch (AdbCommandRejectedException e) {
Log.e(TAG, "Adb rejected command to load screenshot from device "
+ device);
}
}
synchronized (HierarchyViewerDirector.this) {
pixelPerfectRefreshesInProgress--;
}
}
});
}
}
public void loadPixelPerfectData(final IDevice device) {
executeInBackground(new Runnable() {
public void run() {
try {
RawImage screenshot = device.getScreenshot();
ViewNode viewNode =
DeviceBridge.loadWindowData(Window.getFocusedWindow(device));
ComponentRegistry.getPixelPerfectModel().setData(device, screenshot, viewNode);
} catch (IOException e) {
Log.e(TAG, "Unable to load screenshot from device " + device);
} catch (TimeoutException e) {
Log.e(TAG, "Timeout loading screenshot from device " + device);
} catch (AdbCommandRejectedException e) {
Log.e(TAG, "Adb rejected command to load screenshot from device " + device);
}
}
});
}
public void loadViewTreeData(final Window window) {
executeInBackground(new Runnable() {
public void run() {
ViewNode viewNode = DeviceBridge.loadWindowData(window);
if (viewNode != null) {
DeviceBridge.loadProfileData(window, viewNode);
ComponentRegistry.getTreeViewModel().setData(window, viewNode);
}
}
});
}
}
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